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Dielectric ceramic and its manufacturing method using the same, and a dielectric resonator 发明授权

2023-12-21 4210 136K 0

专利信息

申请日期 2025-07-17 申请号 JP2001285052
公开(公告)号 JP5187997B2 公开(公告)日 2013-04-24
公开国别 JP 申请人省市代码 全国
申请人 Kyocera6633
简介 PROBLEM TO BE SOLVED : To obtain dielectric ceramic which has high εr, and Q value, and has a small absolute value of temperature coefficient τf for resonance frequency. SOLUTION : The dielectric ceramic consists of a polycrystal body consisting of oxides containing at least rare earth elements (Ln), Al, M (M is Ca and/or Sr), and Ti as metallic elements, and contains prescribed amounts of Si, Fe and Zr.


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